Horner's syndrome is caused by a loss of sympathetic control to one side of the face, resulting in symptoms such as a smaller pupil, drooping of the eyelid, and decreased sweating on that side of the face. It can affect individuals of all ages.

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Horner's Syndrome Is

Question 36

Multiple Choice

Horner's syndrome is

A) caused by loss of parasympathetic control of one side of the body.
B) characterized by increased twitching and sweating.
C) only seen in the elderly.
D) caused by a loss of sympathetic control to one side of the face.
E) all of the choices are correct.

Correct Answer: